/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.dispatcher;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.blob.BlobServer;
import org.apache.flink.runtime.heartbeat.HeartbeatServices;
import org.apache.flink.runtime.highavailability.HighAvailabilityServices;
import org.apache.flink.runtime.metrics.groups.JobManagerMetricGroup;
import org.apache.flink.runtime.resourcemanager.ResourceManagerGateway;
import org.apache.flink.runtime.rpc.FatalErrorHandler;
import org.apache.flink.runtime.rpc.RpcService;

import javax.annotation.Nullable;

/**
 * {@link DispatcherFactory} which creates a {@link StandaloneDispatcher}.
 */
public enum SessionDispatcherFactory implements DispatcherFactory<Dispatcher> {
	INSTANCE;

	@Override
	public Dispatcher createDispatcher(
				Configuration configuration,
				RpcService rpcService,
				HighAvailabilityServices highAvailabilityServices,
				ResourceManagerGateway resourceManagerGateway,
				BlobServer blobServer,
				HeartbeatServices heartbeatServices,
				JobManagerMetricGroup jobManagerMetricGroup,
				@Nullable String metricQueryServicePath,
				ArchivedExecutionGraphStore archivedExecutionGraphStore,
				FatalErrorHandler fatalErrorHandler,
				HistoryServerArchivist historyServerArchivist) throws Exception {
		// create the default dispatcher
		return new StandaloneDispatcher(
			rpcService,
			Dispatcher.DISPATCHER_NAME,
			configuration,
			highAvailabilityServices,
			resourceManagerGateway,
			blobServer,
			heartbeatServices,
			jobManagerMetricGroup,
			metricQueryServicePath,
			archivedExecutionGraphStore,
			Dispatcher.DefaultJobManagerRunnerFactory.INSTANCE,
			fatalErrorHandler,
			historyServerArchivist);
	}
}
